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Wendy's, known for its Frosty shakes and square burgers, said that revenue at company-run North American restaurants open at least 15 months and remodeled restaurants reopened at least three straight months slipped 0.2 percent. The figure fell 0.6 percent for franchised restaurants. The performances are compared with the prior-year period, which included results from the introduction of its Dave's Hot 'n Juicy cheeseburgers.

Earlier this month Wendy's announced that it was switching to a "Right Price Right Size" value menu that includes items ranging from 99 cents to $1.99. The menu replaced its 99-cent value menu. At a time when costs for meat, cheese and other ingredients are rising, the revamped menu is intended to give budget-minded diners more options, while giving Wendy's more flexibility on pricing.

For the full year, Wendy's reported earnings from continuing operations of 1 cent per share. Adjusted earnings were 16 cents per share. Revenue rose 3 percent to $2.51 billion.

Revenue at both company-run and franchised North American restaurants open at least 15 months and remodeled restaurants reopened at least three straight months increased 1.6 percent.

Shares rose 4 cents to $4.94 in morning trading. Its shares have traded in a 52-week range of $4.09 to $5.42..

The Dublin, Ohio, company's guidance assumes a 2 percent to 3 percent increase in revenue at company-run North American restaurants open at least 15 months and remodeled restaurants reopened at least three straight months.

The chain plans to report its finalized results for the fourth-quarter and full-year on Feb. 28. It had 6,560 restaurants globally as of Dec. 30.